docs: def systemInformationType6():
      """SYSTEM INFORMATION TYPE 6 Section 9.1.40"""
      a = L2PseudoLength(l2pLength=0x0b)
      b = TpPd(pd=0x6)
      c = MessageType(mesType=0x1e)  # 00011011
      d = CellIdentity()
      e = LocalAreaId()
      f = CellOptionsBCCH()
      g = NccPermitted()
      h = Si6RestOctets()
      packet = a / b / c / d / e / f / g
      return packet